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| Pronunciation |
|
 (MES
tra nole & nor eth IN
drone) |
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| Brand Names |
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| Nelova® 1/50M; Norethin 1/50M;
Norinyl® 1+50; Ortho-Novum®
1/50 |
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| Therapeutic
Categories |
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|
Contraceptive |
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| What key warnings should I know
about before taking this
medicine? |
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|
- You should not smoke while taking birth control pills. Cigarette
smoking increases the risk of serious heart and blood related side effects. This
risk increases with age (greater than 35 years of age) and with heavy smoking
(15 or more cigarettes per day). Birth control pills do not prevent the spread
of HIV/AIDS or other sexually transmitted
diseases.
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| Reasons not to take this
medicine |
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|
- If you have an allergy to mestranol, norethindrone, or any other part
of the medicine.
- If you have any of the following conditions: Breast cancer,
unexplained vaginal bleeding, a tumor where estrogen makes it
grow.
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| What is this medicine used
for? |
|
|
- This medicine is commonly used to prevent pregnancy. It can also
protect against pregnancy after unprotected intercourse.
- Other uses include treatment of acne in girls older than 15; treatment
of endometriosis, painful periods, and unusual uterine
bleeding.
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| How does it work? |
|
|
- The mestranol and norethindrone combination prevents pregnancy by
preventing ovulation (egg release) through a variety of hormonal changes. To
prevent pregnancy after intercourse, the medicines either prevent or delay
ovulation (egg release).
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| How is it best taken? |
|
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- Take with food at a similar time every day.
- Follow directions given by healthcare provider or read the package
insert.
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|
| What do I do if I miss a
dose? |
|
|
- Take a missed dose as soon as possible and then return to your regular
schedule.
- Missing more than two doses in a row can cause problems.
- Missed dosing information can be found in the package insert given to
you or call healthcare provider.
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| What are the precautions when
taking this
medicine? |
|
|
- Check medicines with healthcare provider. This medicine may not mix
well with other medicines.
- Limit alcohol intake (includes wine, beer, and liquor). Routine use
may increase risk of breast cancer.
- Avoid cigarette smoking. Persons older than 35 years of age and/or
smoking more than 15 cigarettes per day are at risk for heart disease.
- Limit caffeine (for example, tea, coffee, cola) and chocolate intake.
Use with this medicine may cause nervousness, shakiness, rapid heartbeats, and
anxiety.
- Use caution if you have kidney disease, heart disease (including high
blood pressure), liver disease, circulation problems (including history of blood
clot in leg, arm, or lung). Talk with healthcare provider.
- Do not use if you have a history of breast or endometrial cancer or a
strong family history (sister, mother) of breast cancer. Talk with healthcare
provider.
- If you are on a blood thinner (warfarin), talk with healthcare
provider.
- Remind surgeons and other healthcare providers you are taking this
medicine.
- Do not use over-the-counter products that increase blood pressure.
These include cough or cold remedies, diet pills, stimulants, ibuprofen or like
products, and certain herbs or supplements. Talk with healthcare provider.
- Tell healthcare provider if you are allergic to any medicine. Make
sure to tell about the allergy and how it affected you. This includes telling
about rash; hives; itching; shortness of breath; wheezing; cough; swelling of
face, lips, tongue, throat; or any other symptoms involved.
- Oral contraceptives do not prevent the spread of sexually-transmitted
diseases. Take measures to prevent the spread of these diseases. Talk with
healthcare provider if help is needed in choosing a method.
- Do not use in pregnancy and do not get pregnant. Follow the directions
in the package insert if doses are missed.
- Tell healthcare provider if you are
breast-feeding.
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| What are the common side effects
of this
medicine? |
|
|
- Headache. Mild pain medicine may help.
- Belly pain and cramps.
- Nausea or vomiting. Small frequent meals, frequent mouth care, sucking
hard candy, or chewing gum may help.
- Breast enlargement/tenderness and/or water weight gain.
- Vaginal bleeding (breakthrough bleeding, spotting) may
occur.
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| What should I monitor? |
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- Periodic breast (monthly self-exams) and gynecologic exams are
important.
- Check blood pressure regularly.
- Follow up with healthcare provider at least every
year.
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| Reasons to call healthcare
provider
immediately |
|
|
- Signs of a life-threatening reaction. These include wheezing;
tightness in the chest; fever; itching; bad cough; blue skin color; fits;
swelling of face, lips, tongue, or throat.
- Severe headache.
- Unusual vaginal bleeding. This includes lots of bleeding, spotting, or
bleeding between cycles.
- Severe nausea, vomiting, and/or diarrhea.
- Swelling/pain of a leg or arm, sudden shortness of breath, difficulty
breathing, chest pain.
- A lump in the breast.
- Any rash.
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| How should I store this
medicine? |
|
|
- Store in a tight container at room
temperature.
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| General statements |
|
|
- Do not share your medicine with others and do not take anyone else's
medicine.
- Keep all medicine out of the reach of children and pets.
- Keep a list of all your medicines (prescription, herbal/supplements,
vitamins, over-the-counter) with you. Give this list to healthcare provider
(doctor, nurse, pharmacist, physician assistant).
- Read the package insert for more details (given with the medicine).
- Talk with healthcare provider before starting any new medicine,
including over-the-counter or natural products (herbs,
vitamins).
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